Submitted URL: http://jancerny.dev/
Effective URL: https://jancerny.dev/
Submission: On May 14 via api from US — Scanned from NL

Summary

This website contacted 12 IPs in 3 countries across 7 domains to perform 54 HTTP transactions. The main IP is 188.114.97.3, located in Amsterdam, Netherlands and belongs to CLOUDFLARENET, US. The main domain is jancerny.dev.
TLS certificate: Issued by E1 on March 30th 2024. Valid for: 3 months.
This is the only time jancerny.dev was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
23 188.114.97.3 13335 (CLOUDFLAR...)
1 2a04:4e42:400... 54113 (FASTLY)
1 54.230.228.82 16509 (AMAZON-02)
1 2606:4700::68... 13335 (CLOUDFLAR...)
1 54.230.228.47 16509 (AMAZON-02)
1 18.173.154.70 16509 (AMAZON-02)
1 2a00:1450:400... 15169 (GOOGLE)
2 151.101.193.229 54113 (FASTLY)
1 2001:4860:480... 15169 (GOOGLE)
2 140.82.121.5 36459 (GITHUB)
2 2606:4700::68... 13335 (CLOUDFLAR...)
54 12
Apex Domain
Subdomains
Transfer
23 jancerny.dev
jancerny.dev
339 KB
3 cloudflareinsights.com
static.cloudflareinsights.com — Cisco Umbrella Rank: 804
cloudflareinsights.com — Cisco Umbrella Rank: 791
7 KB
3 hotjar.com
vars.hotjar.com — Cisco Umbrella Rank: 18496
script.hotjar.com — Cisco Umbrella Rank: 988
static.hotjar.com — Cisco Umbrella Rank: 742
63 KB
3 jsdelivr.net
cdn.jsdelivr.net — Cisco Umbrella Rank: 310
166 KB
2 github.com
api.github.com — Cisco Umbrella Rank: 4523
2 KB
1 google-analytics.com
region1.google-analytics.com — Cisco Umbrella Rank: 2533
253 B
1 googletagmanager.com
www.googletagmanager.com — Cisco Umbrella Rank: 39
92 KB
54 7
Domain Requested by
23 jancerny.dev jancerny.dev
3 cdn.jsdelivr.net jancerny.dev
cdn.jsdelivr.net
2 cloudflareinsights.com static.cloudflareinsights.com
2 api.github.com jancerny.dev
1 region1.google-analytics.com www.googletagmanager.com
1 www.googletagmanager.com jancerny.dev
1 static.hotjar.com jancerny.dev
1 script.hotjar.com jancerny.dev
1 static.cloudflareinsights.com jancerny.dev
1 vars.hotjar.com jancerny.dev
54 10

This site contains links to these domains. Also see Links.

Domain
github.com
www.linkedin.com
Subject Issuer Validity Valid
jancerny.dev
E1
2024-03-30 -
2024-06-28
3 months crt.sh
jsdelivr.net
GlobalSign Atlas R3 DV TLS CA 2023 Q3
2023-09-27 -
2024-10-28
a year crt.sh
*.hotjar.com
Amazon ECDSA 256 M03
2024-02-07 -
2025-03-08
a year crt.sh
cloudflareinsights.com
GTS CA 1P5
2024-05-08 -
2024-08-06
3 months crt.sh
*.google-analytics.com
WR2
2024-05-06 -
2024-07-29
3 months crt.sh
*.github.com
Sectigo ECC Domain Validation Secure Server CA
2024-03-07 -
2025-03-07
a year crt.sh

This page contains 2 frames:

Primary Page: https://jancerny.dev/
Frame ID: A2F6FAB4FE3BBD410A3FFF2BDFDD5623
Requests: 53 HTTP requests in this frame

Frame: https://vars.hotjar.com/box-469cf41adb11dc78be68c1ae7f9457a4.html
Frame ID: F7B15A169A048668FB15AD98CD9F2B46
Requests: 1 HTTP requests in this frame

Screenshot

Page Title

Jan Černý - Software and Web developer

Page URL History Show full URLs

  1. http://jancerny.dev/ HTTP 307
    https://jancerny.dev/ Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • static\.cloudflareinsights\.com/beacon(?:\.min)?\.js

Overall confidence: 100%
Detected patterns
  • <link[^>]* href=[^>]*?(?:F|f)o(?:n|r)t-?(?:A|a)wesome(?:[^>]*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)
  • (?:F|f)o(?:n|r)t-?(?:A|a)wesome(?:.*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)

Overall confidence: 100%
Detected patterns

Overall confidence: 100%
Detected patterns
  • googletagmanager\.com/gtag/js

Overall confidence: 100%
Detected patterns
  • //static\.hotjar\.com/

Overall confidence: 100%
Detected patterns
  • <link [^>]*?href="?[a-zA-Z]*?:?//cdn\.jsdelivr\.net/
  • //cdn\.jsdelivr\.net/

Page Statistics

54
Requests

67 %
HTTPS

45 %
IPv6

7
Domains

10
Subdomains

12
IPs

3
Countries

669 kB
Transfer

1669 kB
Size

4
Cookies

Page URL History

This captures the URL locations of the websites, including HTTP redirects and client-side redirects via JavaScript or Meta fields.

  1. http://jancerny.dev/ HTTP 307
    https://jancerny.dev/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 4
  • https://twemoji.maxcdn.com/2/72x72/1f44b.png HTTP 301
  • https://cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/1f44b.png
Request Chain 5
  • https://twemoji.maxcdn.com/2/72x72/1f4bb.png HTTP 301
  • https://cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/1f4bb.png
Request Chain 6
  • https://twemoji.maxcdn.com/2/72x72/1f3a8.png HTTP 301
  • https://cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/1f3a8.png
Request Chain 7
  • https://twemoji.maxcdn.com/2/72x72/2764.png HTTP 301
  • https://cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/2764.png
Request Chain 8
  • https://twemoji.maxcdn.com/2/72x72/1f3cd.png HTTP 301
  • https://cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/1f3cd.png
Request Chain 11
  • https://twemoji.maxcdn.com/2/72x72/26a1.png HTTP 301
  • https://cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/26a1.png
Request Chain 12
  • https://twemoji.maxcdn.com/2/72x72/1f680.png HTTP 301
  • https://cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/1f680.png
Request Chain 14
  • https://twemoji.maxcdn.com/2/72x72/1f3c6.png HTTP 301
  • https://cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/1f3c6.png
Request Chain 19
  • https://twemoji.maxcdn.com/2/72x72/1f4a1.png HTTP 301
  • https://cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/1f4a1.png
Request Chain 35
  • https://twemoji.maxcdn.com/2/72x72/1f44b.png HTTP 301
  • https://cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/1f44b.png
Request Chain 36
  • https://twemoji.maxcdn.com/2/72x72/1f4bb.png HTTP 301
  • https://cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/1f4bb.png
Request Chain 37
  • https://twemoji.maxcdn.com/2/72x72/1f3a8.png HTTP 301
  • https://cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/1f3a8.png
Request Chain 38
  • https://twemoji.maxcdn.com/2/72x72/2764.png HTTP 301
  • https://cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/2764.png
Request Chain 39
  • https://twemoji.maxcdn.com/2/72x72/1f3cd.png HTTP 301
  • https://cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/1f3cd.png
Request Chain 42
  • https://twemoji.maxcdn.com/2/72x72/26a1.png HTTP 301
  • https://cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/26a1.png
Request Chain 43
  • https://twemoji.maxcdn.com/2/72x72/1f680.png HTTP 301
  • https://cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/1f680.png
Request Chain 45
  • https://twemoji.maxcdn.com/2/72x72/1f3c6.png HTTP 301
  • https://cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/1f3c6.png
Request Chain 48
  • https://twemoji.maxcdn.com/2/72x72/1f4a1.png HTTP 301
  • https://cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/1f4a1.png

54 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request /
jancerny.dev/
Redirect Chain
  • http://jancerny.dev/
  • https://jancerny.dev/
44 KB
19 KB
Document
General
Full URL
https://jancerny.dev/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
188.114.97.3 Amsterdam, Netherlands, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
6137e4db7d4bbad4543805a4bbf7e98a7a3c3de4243f462fd9d36368909cd709
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload

Request headers

Accept-Language
nl-NL,nl;q=0.9;q=0.9
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36

Response headers

access-control-allow-origin
*
age
0
alt-svc
h3=":443"; ma=86400
cache-control
max-age=600
cf-cache-status
DYNAMIC
cf-ray
883b58fafc269f5e-AMS
content-encoding
br
content-type
text/html; charset=utf-8
date
Tue, 14 May 2024 13:48:44 GMT
expires
Tue, 14 May 2024 12:56:42 GMT
last-modified
Mon, 21 Aug 2023 17:57:51 GMT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=WKv56MfRA12qJLIa%2Bc%2BUElW8JuwkhGmw%2FbJcl8Gq6iDJMsiUtD4G6vVNIkaC52ttv%2BAKAfGjI9PiMIIpb9AIoNhJN%2BEDqrdhd6eEi0AMrDSth6I03yZgZmAd62nXCzw%3D"}],"group":"cf-nel","max_age":604800}
server
cloudflare
strict-transport-security
max-age=15552000; includeSubDomains; preload
vary
Accept-Encoding
via
1.1 varnish
x-cache
HIT
x-cache-hits
0
x-fastly-request-id
b98ff1e2ea294dba31a261e5ea082f82df8fb3f0
x-github-request-id
EAAC:3B0E8:3883762:39F81D2:66435D2D
x-proxy-cache
MISS
x-served-by
cache-ams21026-AMS
x-timer
S1715694525.659560,VS0,VE109

Redirect headers

Cross-Origin-Resource-Policy
Cross-Origin
Location
https://jancerny.dev/
Non-Authoritative-Reason
HSTS
Montserrat-Regular.ee653992.ttf
jancerny.dev/static/media/
240 KB
102 KB
Font
General
Full URL
https://jancerny.dev/static/media/Montserrat-Regular.ee653992.ttf
Requested by
Host: jancerny.dev
URL: https://jancerny.dev/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
188.114.97.3 Amsterdam, Netherlands, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
077cdab15161232a9ba7124d2ddd7a9425145750788e9a966c156cc66274f525
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://jancerny.dev/
Origin
https://jancerny.dev
Accept-Language
nl-NL,nl;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

x-fastly-request-id
9f54c5e0d855692007bd1e7f62e9feb048d192e2
date
Tue, 14 May 2024 13:48:45 GMT
via
1.1 varnish
content-encoding
br
cf-cache-status
MISS
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
strict-transport-security
max-age=15552000; includeSubDomains; preload
expires
Tue, 14 May 2024 13:58:44 GMT
x-cache
MISS
x-proxy-cache
MISS
alt-svc
h3=":443"; ma=86400
x-served-by
cache-lga21954-LGA
last-modified
Mon, 21 Aug 2023 17:57:51 GMT
server
cloudflare
x-github-request-id
3E7C:21B62E:3063E88:3B5E5B9:66436BBC
x-timer
S1715694525.899078,VS0,VE31
etag
W/"64e3a59f-3bfcc"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=5HrVtMT%2BNnDSogp%2B88RHWuxVBsMV8SVCwY5gE2kj0NlFbgCXfas0AD4g3HroR8KkI6ko9szga3ndBsLrgbLK0KFfePXYVtJo5UP0rRsqMfcckVe783K8dz3sMia8PQA%3D"}],"group":"cf-nel","max_age":604800}
content-type
font/ttf
access-control-allow-origin
*
cache-control
max-age=600
cf-ray
883b58fc0e299f5e-AMS
x-cache-hits
0
all.min.css
cdn.jsdelivr.net/gh/FortAwesome/Font-Awesome@5.13.0/css/
57 KB
13 KB
Stylesheet
General
Full URL
https://cdn.jsdelivr.net/gh/FortAwesome/Font-Awesome@5.13.0/css/all.min.css
Requested by
Host: jancerny.dev
URL: https://jancerny.dev/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a04:4e42:400::485 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
876d023d9d10c97941b80c3b03e2a5b94631ff7a4af9cee5604a6a2d39718d84
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://jancerny.dev/
Accept-Language
nl-NL,nl;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

strict-transport-security
max-age=31536000; includeSubDomains; preload
date
Tue, 14 May 2024 13:48:44 GMT
x-content-type-options
nosniff
content-encoding
br
age
1172450
x-jsd-version
5.13.0
x-cache
HIT, HIT
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400
content-length
12845
x-served-by
cache-fra-eddf8230056-FRA, cache-mad2200120-MAD
x-jsd-version-type
version
etag
W/"e4d2-ADjcl8eUUVeLe9SK9gumIoK0CCs"
vary
Accept-Encoding
content-type
text/css; charset=utf-8
access-control-allow-origin
*
access-control-expose-headers
*
cache-control
public, max-age=31536000, s-maxage=31536000, immutable
accept-ranges
bytes
timing-allow-origin
*
main.6a3b6c56.chunk.css
jancerny.dev/static/css/
20 KB
5 KB
Stylesheet
General
Full URL
https://jancerny.dev/static/css/main.6a3b6c56.chunk.css
Requested by
Host: jancerny.dev
URL: https://jancerny.dev/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
188.114.97.3 Amsterdam, Netherlands, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
4ccbc0785c7cfb1eb4b04b83d4cc5bad0dd4f5fcd88ca14f1e13b98fc1806863
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://jancerny.dev/
Accept-Language
nl-NL,nl;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

x-fastly-request-id
cbb6c128813c9b3eda5b4e12ae08359ee98d56a7
date
Tue, 14 May 2024 13:48:44 GMT
via
1.1 varnish
content-encoding
br
cf-cache-status
REVALIDATED
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
strict-transport-security
max-age=15552000; includeSubDomains; preload
expires
Tue, 14 May 2024 13:58:44 GMT
cf-polished
origSize=21030
x-cache
MISS
x-cache-hits
0
alt-svc
h3=":443"; ma=86400
x-served-by
cache-lga21954-LGA
cf-bgj
minify
last-modified
Mon, 21 Aug 2023 17:57:51 GMT
x-github-request-id
81B2:16BF:2C850C4:32AAB96:65F47D8A
x-timer
S1710521739.097955,VS0,VE42
server
cloudflare
etag
W/"64e3a59f-5226"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=ELow%2B9Hz0PfKw35v043VcToiNcLkDJy9pyZDiaHoMp4XS3ilmcuDtLHKURqT%2F%2BJmi0m%2BFTjYhPcePeKhfijxsTdvYUkH8Qvgp3ZSg87ONEIwDucLSIwqM1ZzpiJVWcU%3D"}],"group":"cf-nel","max_age":604800}
content-type
text/css; charset=utf-8
access-control-allow-origin
*
cache-control
max-age=600
cf-ray
883b58fc1e419f5e-AMS
x-proxy-cache
MISS
4.01c87591.chunk.css
jancerny.dev/static/css/
847 B
1 KB
Stylesheet
General
Full URL
https://jancerny.dev/static/css/4.01c87591.chunk.css
Requested by
Host: jancerny.dev
URL: https://jancerny.dev/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
188.114.97.3 Amsterdam, Netherlands, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
497015a4483bdc49c988bec3a0fe233e574944e13dc288c96312871f7221c4c7
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://jancerny.dev/
Accept-Language
nl-NL,nl;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

x-fastly-request-id
f053a12b07447e44fa47d6fcec6403602fca3452
date
Tue, 14 May 2024 13:48:44 GMT
via
1.1 varnish
content-encoding
br
cf-cache-status
REVALIDATED
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
strict-transport-security
max-age=15552000; includeSubDomains; preload
expires
Tue, 14 May 2024 13:58:44 GMT
cf-polished
origSize=896
x-cache
MISS
x-cache-hits
0
alt-svc
h3=":443"; ma=86400
x-served-by
cache-lga21965-LGA
cf-bgj
minify
last-modified
Mon, 21 Aug 2023 17:57:51 GMT
x-github-request-id
2B48:737A:FF6D28:1544087:6600B9E2
x-timer
S1711323619.071353,VS0,VE49
server
cloudflare
etag
W/"64e3a59f-380"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=L%2B46%2BoZRW%2Fh6%2BqclsFI9NNBJio44wjaLnZumARxfaOoXgjpBiiEVMlOpzh1Tj8pYDKjfmImT1UXiwB7M54u8%2BsBApebAA8AAyC4fTijufMHhwko5q82bUCcvUduYmq0%3D"}],"group":"cf-nel","max_age":604800}
content-type
text/css; charset=utf-8
access-control-allow-origin
*
cache-control
max-age=600
cf-ray
883b58fc1e439f5e-AMS
x-proxy-cache
MISS
1f44b.png
cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/
Redirect Chain
  • https://twemoji.maxcdn.com/2/72x72/1f44b.png
  • https://cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/1f44b.png
0
0

1f4bb.png
cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/
Redirect Chain
  • https://twemoji.maxcdn.com/2/72x72/1f4bb.png
  • https://cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/1f4bb.png
0
0

1f3a8.png
cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/
Redirect Chain
  • https://twemoji.maxcdn.com/2/72x72/1f3a8.png
  • https://cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/1f3a8.png
0
0

2764.png
cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/
Redirect Chain
  • https://twemoji.maxcdn.com/2/72x72/2764.png
  • https://cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/2764.png
0
0

1f3cd.png
cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/
Redirect Chain
  • https://twemoji.maxcdn.com/2/72x72/1f3cd.png
  • https://cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/1f3cd.png
0
0

undraw_feeling_proud_qne1.13c6d2e5.svg
jancerny.dev/static/media/
12 KB
5 KB
Image
General
Full URL
https://jancerny.dev/static/media/undraw_feeling_proud_qne1.13c6d2e5.svg
Requested by
Host: jancerny.dev
URL: https://jancerny.dev/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
188.114.97.3 Amsterdam, Netherlands, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
f7d065a2a80607905abeb1247ba9df7b589f437f131654a7e7ad1619f32dd376
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://jancerny.dev/
Accept-Language
nl-NL,nl;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

x-fastly-request-id
c944c92b9581003a4d2e90392deb2f3d30b7821c
date
Tue, 14 May 2024 13:48:44 GMT
via
1.1 varnish
content-encoding
br
expires
Tue, 14 May 2024 13:58:44 GMT
cf-cache-status
REVALIDATED
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-proxy-cache
MISS
x-cache
MISS
alt-svc
h3=":443"; ma=86400
x-served-by
cache-lga21982-LGA
last-modified
Mon, 21 Aug 2023 17:57:51 GMT
server
cloudflare
x-github-request-id
ABC6:36C5:5DB555:7F16FB:66107382
x-timer
S1712354179.907901,VS0,VE18
etag
W/"64e3a59f-3098"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=hrksB8Iq5pMDIsHMKbiVUxJSegTPXwafcq8q1XMhhmbEvVWvSLX4zcZfW%2BW5My3Noz1yUAHHKTI7mi4g6Ix6%2F%2Begwe7H%2FyXYC%2Fxf8%2F%2FczjG1CPyxigLtiyVANSMycQI%3D"}],"group":"cf-nel","max_age":604800}
content-type
image/svg+xml
access-control-allow-origin
*
cache-control
max-age=600
x-origin-cache
HIT
cf-ray
883b58fc1e4b9f5e-AMS
x-cache-hits
0
undraw_hacker_mindset_gjwq.1feaa5be.svg
jancerny.dev/static/media/
6 KB
3 KB
Image
General
Full URL
https://jancerny.dev/static/media/undraw_hacker_mindset_gjwq.1feaa5be.svg
Requested by
Host: jancerny.dev
URL: https://jancerny.dev/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
188.114.97.3 Amsterdam, Netherlands, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
c3116041ef607f2facff8f2aecd9feadd22fb17a9d80ccc9857858a68ac755ff
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://jancerny.dev/
Accept-Language
nl-NL,nl;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

x-fastly-request-id
0bc359f583f4a198efa484c53c94af5224a5e4a6
date
Tue, 14 May 2024 13:48:44 GMT
via
1.1 varnish
content-encoding
br
expires
Tue, 14 May 2024 13:58:44 GMT
cf-cache-status
REVALIDATED
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-proxy-cache
MISS
x-cache
MISS
alt-svc
h3=":443"; ma=86400
x-served-by
cache-lga21973-LGA
last-modified
Mon, 21 Aug 2023 17:57:51 GMT
server
cloudflare
x-github-request-id
9D58:9EE62:87B4E46:9B2CE76:65F47D8C
x-timer
S1710521741.799459,VS0,VE16
etag
W/"64e3a59f-1973"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=egqp%2BtwKD2Ez9L%2Fc0BIvf5%2BijQmcSqNmwqfwRXw6cqvRrm1ccCa3txJSgvuW34Osn%2BWCQsJu5bkYQRUbNTHRHNoyUoG1anYUjq7pZKt6751lJprLjk%2F13LErBdK3Nd0%3D"}],"group":"cf-nel","max_age":604800}
content-type
image/svg+xml
access-control-allow-origin
*
cache-control
max-age=600
x-origin-cache
HIT
cf-ray
883b58fc1e4c9f5e-AMS
x-cache-hits
0
26a1.png
cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/
Redirect Chain
  • https://twemoji.maxcdn.com/2/72x72/26a1.png
  • https://cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/26a1.png
0
0

1f680.png
cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/
Redirect Chain
  • https://twemoji.maxcdn.com/2/72x72/1f680.png
  • https://cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/1f680.png
0
0

undraw_certificate_343v.36c1403d.svg
jancerny.dev/static/media/
8 KB
3 KB
Image
General
Full URL
https://jancerny.dev/static/media/undraw_certificate_343v.36c1403d.svg
Requested by
Host: jancerny.dev
URL: https://jancerny.dev/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
188.114.97.3 Amsterdam, Netherlands, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
ecf7862b6418367594bd5d5e696ee905840269f6490e0713fee7fd36f9fff38e
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://jancerny.dev/
Accept-Language
nl-NL,nl;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

x-fastly-request-id
6a05a3381b09d011d9666c1ed47428620285bb54
date
Tue, 14 May 2024 13:48:44 GMT
via
1.1 varnish
content-encoding
br
expires
Tue, 14 May 2024 13:58:44 GMT
cf-cache-status
REVALIDATED
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-proxy-cache
MISS
x-cache
MISS
alt-svc
h3=":443"; ma=86400
x-served-by
cache-lga21924-LGA
last-modified
Mon, 21 Aug 2023 17:57:51 GMT
server
cloudflare
x-github-request-id
9042:3EB161:8342B15:96B9FCC:65F47D8C
x-timer
S1710521741.893831,VS0,VE13
etag
W/"64e3a59f-207d"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=Hd154dOeYJkreU11qBzi9jz7Biet2Sude6SpbS55DxPcBWy1HwSZJNHHMrCtWNSZ8tg%2BExLJWgjZcC0Ac5XVdabtp1XP5ewFpM%2BgEqw7ot%2FVsjN7%2FCCV13IJLEyeN%2F8%3D"}],"group":"cf-nel","max_age":604800}
content-type
image/svg+xml
access-control-allow-origin
*
cache-control
max-age=600
x-origin-cache
HIT
cf-ray
883b58fc1e4d9f5e-AMS
x-cache-hits
0
1f3c6.png
cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/
Redirect Chain
  • https://twemoji.maxcdn.com/2/72x72/1f3c6.png
  • https://cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/1f3c6.png
0
0

truncated
/
8 KB
0
Image
General
Full URL
data:truncated
Protocol
DATA
Server
-, , ASN (),
Reverse DNS
Software
/
Resource Hash
fda1a34bddfd0a31c0ee6060cdb6b57d0363bdd1fbfbda776909b35d1c81fc8b

Request headers

Accept-Language
nl-NL,nl;q=0.9;q=0.9
Referer
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36

Response headers

Content-Type
image/png
ccna-logo.70a88869.jpg
jancerny.dev/static/media/
39 KB
39 KB
Image
General
Full URL
https://jancerny.dev/static/media/ccna-logo.70a88869.jpg
Requested by
Host: jancerny.dev
URL: https://jancerny.dev/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
188.114.97.3 Amsterdam, Netherlands, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
19bdaaafe7e3cec295b5ca3dda811efe5e6d74b4847a9d0d8fee300f6e6e6c13
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://jancerny.dev/
Accept-Language
nl-NL,nl;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

x-fastly-request-id
ecf8ee1ac5a705cfcb72459d9d6f2a4784a219ca
date
Tue, 14 May 2024 13:48:45 GMT
via
1.1 varnish
expires
Tue, 14 May 2024 13:58:44 GMT
cf-cache-status
REVALIDATED
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-proxy-cache
MISS
x-cache
MISS
alt-svc
h3=":443"; ma=86400
content-length
39562
x-served-by
cache-lga21943-LGA
last-modified
Mon, 21 Aug 2023 17:57:51 GMT
server
cloudflare
x-github-request-id
BF66:16C5:3E34A54:41063BC:662D48B8
x-timer
S1714243768.326965,VS0,VE18
etag
"64e3a59f-9a8a"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=kUmgfBuSlviNDKjOa9wtRUJ0WTDhuVCAovf%2FIDNFahxCZ%2Bcl7dBrllVqygRiW3mjOhagRMmsirHWEAoBAjMZAkNprkJcR3noOBH1xdYYauUTsEVqonWL7zHcQhDI6xQ%3D"}],"group":"cf-nel","max_age":604800}
content-type
image/jpeg
access-control-allow-origin
*
cache-control
max-age=600
accept-ranges
bytes
cf-ray
883b58fc2e609f5e-AMS
x-cache-hits
0
truncated
/
5 KB
0
Image
General
Full URL
data:truncated
Protocol
DATA
Server
-, , ASN (),
Reverse DNS
Software
/
Resource Hash
09cb9833e08cfdf88a26195105d2a90572a67ba791bf4380c44b7d006291f8b8

Request headers

Accept-Language
nl-NL,nl;q=0.9;q=0.9
Referer
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36

Response headers

Content-Type
image/jpeg
autocad-logo.59d0cf67.png
jancerny.dev/static/media/
22 KB
23 KB
Image
General
Full URL
https://jancerny.dev/static/media/autocad-logo.59d0cf67.png
Requested by
Host: jancerny.dev
URL: https://jancerny.dev/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
188.114.97.3 Amsterdam, Netherlands, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
04c0fb37b7958ebfe43a277246a4728438f0053e0a582a6c3d7b7f12ee0b6ad9
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://jancerny.dev/
Accept-Language
nl-NL,nl;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

x-fastly-request-id
10a0eda54bd1070a0a907eed843189adab8f3ae5
date
Tue, 14 May 2024 13:48:44 GMT
via
1.1 varnish
expires
Tue, 14 May 2024 13:58:44 GMT
cf-cache-status
REVALIDATED
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-proxy-cache
MISS
x-cache
MISS
alt-svc
h3=":443"; ma=86400
content-length
22865
x-served-by
cache-lga21949-LGA
last-modified
Mon, 21 Aug 2023 17:57:51 GMT
server
cloudflare
x-github-request-id
3878:1C8AFF:47A1BF4:4BFB334:662D48B8
x-timer
S1714243771.231617,VS0,VE21
etag
"64e3a59f-5951"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=CQR10Qbw4BXWXqq80rt4X6AIlhUaTCLwhSRne%2BkeIAb04t%2FmrVVkI6WXQi0xfZTdM0YQE78rfjpQH05kYpwbworYjo3jEL3QO5LsRBeJXsKPQCu54c2ljmy%2FcMGmk8I%3D"}],"group":"cf-nel","max_age":604800}
content-type
image/png
access-control-allow-origin
*
cache-control
max-age=600
accept-ranges
bytes
x-origin-cache
HIT
cf-ray
883b58fc2e629f5e-AMS
x-cache-hits
0
1f4a1.png
cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/
Redirect Chain
  • https://twemoji.maxcdn.com/2/72x72/1f4a1.png
  • https://cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/1f4a1.png
0
0

undraw_message_sent_1030.323f49ac.svg
jancerny.dev/static/media/
12 KB
5 KB
Image
General
Full URL
https://jancerny.dev/static/media/undraw_message_sent_1030.323f49ac.svg
Requested by
Host: jancerny.dev
URL: https://jancerny.dev/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
188.114.97.3 Amsterdam, Netherlands, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
2306a3b78b6dc23d2ecdb6412e3b5d24c921d85fa98a7f2b40af7228a513c1d8
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://jancerny.dev/
Accept-Language
nl-NL,nl;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

x-fastly-request-id
2bb14ff4fd7cbd0f8076e991fc6ad1deb5ef9a65
date
Tue, 14 May 2024 13:48:44 GMT
via
1.1 varnish
content-encoding
br
expires
Tue, 14 May 2024 13:58:44 GMT
cf-cache-status
REVALIDATED
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-proxy-cache
MISS
x-cache
MISS
alt-svc
h3=":443"; ma=86400
x-served-by
cache-lga21964-LGA
last-modified
Mon, 21 Aug 2023 17:57:51 GMT
server
cloudflare
x-github-request-id
101C:11864:49CF6EE:4E2C059:662D48BB
x-timer
S1714243772.549210,VS0,VE14
etag
W/"64e3a59f-314b"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=xT7ExLAFFJxGfqFDkdET7ZMopnR22cKy7OdYyVmUCnh%2FJ%2F9D%2BjrEnc1ArUc51AXC%2F%2F4Pu5Y32PTZnQlGjpDmE994pOs7dIboAeNfJJiSzSwxTdR69itA4UheA%2BydefU%3D"}],"group":"cf-nel","max_age":604800}
content-type
image/svg+xml
access-control-allow-origin
*
cache-control
max-age=600
x-origin-cache
HIT
cf-ray
883b58fc2e659f5e-AMS
x-cache-hits
0
email-decode.min.js
jancerny.dev/cdn-cgi/scripts/5c5dd728/cloudflare-static/
1 KB
1 KB
Script
General
Full URL
https://jancerny.dev/cdn-cgi/scripts/5c5dd728/cloudflare-static/email-decode.min.js
Requested by
Host: jancerny.dev
URL: https://jancerny.dev/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
188.114.97.3 Amsterdam, Netherlands, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
2595496fe48df6fcf9b1bc57c29a744c121eb4dd11566466bc13d2e52e6bbcc8
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options DENY

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://jancerny.dev/
Accept-Language
nl-NL,nl;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 14 May 2024 13:48:44 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-content-type-options
nosniff
last-modified
Wed, 08 May 2024 09:31:53 GMT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server
cloudflare
content-encoding
gzip
etag
W/"663b4689-4d7"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=df73aL4Gy2f4YVp0v3iEAz9OHFk6Qf5LfhNOcjEziVJPhKVT5gIBO2SCm1HqDKSJOIo9FaovMUgZ8eX5gOjAHFyRq9NesJP%2FKmbgkQht6fZj5qIFLE0etKhw5cCh9Gc%3D"}],"group":"cf-nel","max_age":604800}
content-type
application/javascript
x-frame-options
DENY
cache-control
max-age=172800, public
cf-ray
883b58fc2e699f5e-AMS
expires
Thu, 16 May 2024 13:48:44 GMT
rocket-loader.min.js
jancerny.dev/cdn-cgi/scripts/7d0fa10a/cloudflare-static/
12 KB
4 KB
Script
General
Full URL
https://jancerny.dev/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js
Requested by
Host: jancerny.dev
URL: https://jancerny.dev/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
188.114.97.3 Amsterdam, Netherlands, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
ccf00d1923b0131a10e0c6d26f95e5dee6ebf8621a27e83c5a2f68a2e0093142
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options DENY

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://jancerny.dev/
Accept-Language
nl-NL,nl;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 14 May 2024 13:48:44 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-content-type-options
nosniff
last-modified
Wed, 08 May 2024 09:31:53 GMT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server
cloudflare
content-encoding
gzip
etag
W/"663b4689-302c"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=GZ9jTHwj6yliH4b7wh5HnWzk%2BF58kvaeYJfUQqIMuRGGZ0sSsEEnc%2B0lOUZznCJ2%2BpKIcL0hMaVVW7xJk2nzvQ65wvGvdT2QzsYmicHf6ReHq3dkbur%2FcEdWwBs0myU%3D"}],"group":"cf-nel","max_age":604800}
content-type
application/javascript
x-frame-options
DENY
cache-control
max-age=172800, public
cf-ray
883b58fc2e6c9f5e-AMS
expires
Thu, 16 May 2024 13:48:44 GMT
box-469cf41adb11dc78be68c1ae7f9457a4.html
vars.hotjar.com/ Frame F7B1
0
0
Document
General
Full URL
https://vars.hotjar.com/box-469cf41adb11dc78be68c1ae7f9457a4.html
Requested by
Host: jancerny.dev
URL: https://jancerny.dev/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
54.230.228.82 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-54-230-228-82.muc50.r.cloudfront.net
Software
/
Resource Hash
Security Headers
Name Value
Strict-Transport-Security max-age=2592000; includeSubDomains

Request headers

Accept-Language
nl-NL,nl;q=0.9;q=0.9
Referer
https://jancerny.dev/
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
sec-ch-ua-mobile
?0
sec-ch-ua-platform
"Win32"

Response headers

content-encoding
br
content-type
application/xml
cross-origin-embedder-policy
require-corp
cross-origin-resource-policy
cross-origin
date
Tue, 14 May 2024 13:48:45 GMT
strict-transport-security
max-age=2592000; includeSubDomains
vary
Accept-Encoding
via
1.1 48bff6f682dda533442f6a9ed653d630.cloudfront.net (CloudFront)
x-amz-cf-id
jfrDK3W7L1v6nJZNDN_HjoD62k2Qcdfz-Nx2WdDO_9UEio7P-MebnA==
x-amz-cf-pop
MUC50-P5
x-cache
Error from cloudfront
x-robots-tag
none
main.0ddaa4d6.chunk.js
jancerny.dev/static/js/
40 KB
20 KB
Script
General
Full URL
https://jancerny.dev/static/js/main.0ddaa4d6.chunk.js
Requested by
Host: jancerny.dev
URL: https://jancerny.dev/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
188.114.97.3 Amsterdam, Netherlands, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
2dea68090ea28280226f6ccdb82fba94f183c0f22d0648f4116addf293a40de5
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://jancerny.dev/
Accept-Language
nl-NL,nl;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

x-fastly-request-id
223224e65d137c842b1ddb292d859cf5bac57cac
date
Tue, 14 May 2024 13:48:45 GMT
via
1.1 varnish
content-encoding
br
cf-cache-status
REVALIDATED
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-proxy-cache
MISS
cf-polished
origSize=40798
x-cache
MISS
x-cache-hits
0
alt-svc
h3=":443"; ma=86400
x-served-by
cache-lga21945-LGA
cf-bgj
minify
last-modified
Mon, 21 Aug 2023 17:57:51 GMT
x-github-request-id
DA5E:172A:7DFF82:90E979:65F47D8C
x-timer
S1710521741.778239,VS0,VE20
server
cloudflare
etag
W/"64e3a59f-9f5e"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=assB5r0kakIk4qDk6EafylCw2LXnFcDySkEurnk6lZiJg%2FmdY857DAFvbcIvDWMFCOlXHr3BNUoD0DmaqBhqy7mxHyvphTInpeGc2N8xrcuANoiHYnUAE9tuVY%2ByUx4%3D"}],"group":"cf-nel","max_age":604800}
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
cache-control
max-age=600
x-origin-cache
HIT
cf-ray
883b58fd689b9f5e-AMS
expires
Tue, 14 May 2024 13:58:45 GMT
2.5383ec77.chunk.js
jancerny.dev/static/js/
364 KB
102 KB
Script
General
Full URL
https://jancerny.dev/static/js/2.5383ec77.chunk.js
Requested by
Host: jancerny.dev
URL: https://jancerny.dev/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
188.114.97.3 Amsterdam, Netherlands, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
d26dfa6c08af3c4048aaa0cfacd3366984c2b017affe41a33ba5b0843de64cd4
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://jancerny.dev/
Accept-Language
nl-NL,nl;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

x-fastly-request-id
e7e89339d1bae4edc17525e41a8bcb8fcc047e29
date
Tue, 14 May 2024 13:48:45 GMT
via
1.1 varnish
content-encoding
br
cf-cache-status
REVALIDATED
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
strict-transport-security
max-age=15552000; includeSubDomains; preload
expires
Tue, 14 May 2024 13:58:45 GMT
cf-polished
origSize=373122
x-cache
MISS
x-cache-hits
0
alt-svc
h3=":443"; ma=86400
x-served-by
cache-lga21925-LGA
cf-bgj
minify
last-modified
Mon, 21 Aug 2023 17:57:51 GMT
x-github-request-id
7A1E:172F6B:69696D:7BE9CF:662BC151
x-timer
S1714143569.276588,VS0,VE34
server
cloudflare
etag
W/"64e3a59f-5b182"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=F9%2Boo8AcRwy375%2FakYRqQ3GW3qCbJGI5IC8vIW4vXgRDZpwsl5sUV2Caz2H4W%2FyBWvv4j7USi%2BswV9du8vigvEQjtDVNNViTZCpsAiCD4YBirhNmGmVxffgJpA%2BBVxA%3D"}],"group":"cf-nel","max_age":604800}
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
cache-control
max-age=600
cf-ray
883b58fd689f9f5e-AMS
x-proxy-cache
MISS
beacon.min.js
static.cloudflareinsights.com/
19 KB
7 KB
Script
General
Full URL
https://static.cloudflareinsights.com/beacon.min.js
Requested by
Host: jancerny.dev
URL: https://jancerny.dev/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:5049 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
f9eb189676a78d42d7a8487eef683702ada6c5c866399eefbc0df319d5f7c6d7

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://jancerny.dev/
Accept-Language
nl-NL,nl;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 14 May 2024 13:48:45 GMT
content-encoding
gzip
last-modified
Mon, 06 May 2024 19:01:13 GMT
server
cloudflare
etag
W/"2024.5.0"
vary
Accept-Encoding
content-type
text/javascript;charset=UTF-8
access-control-allow-origin
*
cache-control
public, max-age=86400
cross-origin-resource-policy
cross-origin
cf-ray
883b58fdbb5f1c99-AMS
4.e8750f66.chunk.js
jancerny.dev/static/js/
3 KB
2 KB
Script
General
Full URL
https://jancerny.dev/static/js/4.e8750f66.chunk.js
Requested by
Host: jancerny.dev
URL: https://jancerny.dev/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
188.114.97.3 Amsterdam, Netherlands, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
a8e81f01b0a3b9c6090873a9deed4f6862dd496c89e15478d619f288e613feb4
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://jancerny.dev/
Accept-Language
nl-NL,nl;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

x-fastly-request-id
35989bf71f84b6036fe999afd94dad2204ebd57d
date
Tue, 14 May 2024 13:48:45 GMT
via
1.1 varnish
content-encoding
br
cf-cache-status
REVALIDATED
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-proxy-cache
MISS
cf-polished
origSize=2860
x-cache
MISS
x-cache-hits
0
alt-svc
h3=":443"; ma=86400
x-served-by
cache-lga21944-LGA
cf-bgj
minify
last-modified
Mon, 21 Aug 2023 17:57:51 GMT
x-github-request-id
14CA:3EC6BD:27A4FF:3082A0:663C7C8D
x-timer
S1715240078.022787,VS0,VE14
server
cloudflare
etag
W/"64e3a59f-b2c"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=y2md8bjU2p0%2BbwykZBcyviIlngdas2CVHiKmLD6RBsJq9kgUPmzg9Uff1bfogJ1ONQJ1d6d1ZBsr5FCrpgOipQGFWtxMJFH3RY4kw3aily%2F3veDYAQckbqW5Igpdf1w%3D"}],"group":"cf-nel","max_age":604800}
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
cache-control
max-age=600
x-origin-cache
HIT
cf-ray
883b58fd68a29f5e-AMS
expires
Tue, 14 May 2024 13:58:45 GMT
modules.5d1cad31427a09b055ed.js
script.hotjar.com/
223 KB
59 KB
Script
General
Full URL
https://script.hotjar.com/modules.5d1cad31427a09b055ed.js
Requested by
Host: jancerny.dev
URL: https://jancerny.dev/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
54.230.228.47 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-54-230-228-47.muc50.r.cloudfront.net
Software
/
Resource Hash
4209db25ce8b47a8a5bcefa2ea02f2ef637f619baee316ad5f271c6a4923a254
Security Headers
Name Value
Strict-Transport-Security max-age=2592000; includeSubDomains
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://jancerny.dev/
Accept-Language
nl-NL,nl;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Thu, 25 Apr 2024 12:03:40 GMT
content-encoding
br
x-content-type-options
nosniff
strict-transport-security
max-age=2592000; includeSubDomains
via
1.1 4b3ef7616dbf62f98d54524f0218face.cloudfront.net (CloudFront)
x-amz-cf-pop
MUC50-P5
age
1647905
x-cache
Hit from cloudfront
cross-origin-resource-policy
cross-origin
content-length
59729
last-modified
Mon, 04 Jan 2021 11:12:54 GMT
etag
"7e4ee9cfcb85abbafebfe907b2a03a49"
vary
Accept-Encoding
content-type
application/javascript
access-control-allow-origin
*
cache-control
max-age=31536000
accept-ranges
bytes
x-robots-tag
none
x-amz-cf-id
pvabnGv6i02DLDK38VrEBanLw2xCKwmzqzl5A8kFPXqbNFR8Y23aeQ==
hotjar-2112864.js
static.hotjar.com/c/
9 KB
4 KB
Script
General
Full URL
https://static.hotjar.com/c/hotjar-2112864.js?sv=6
Requested by
Host: jancerny.dev
URL: https://jancerny.dev/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
18.173.154.70 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-18-173-154-70.muc50.r.cloudfront.net
Software
/
Resource Hash
c5438285f9f63ab2409cb129e2966272cbb59d86b1f2014b5fe62debb088b93b
Security Headers
Name Value
Strict-Transport-Security max-age=2592000; includeSubDomains
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://jancerny.dev/
Accept-Language
nl-NL,nl;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 14 May 2024 13:48:45 GMT
content-encoding
br
x-content-type-options
nosniff
strict-transport-security
max-age=2592000; includeSubDomains
via
1.1 f620f5422d3678dbdbb8544d75a30f78.cloudfront.net (CloudFront)
x-amz-cf-pop
MUC50-P3
etag
W/3696cedd2c08fdb747b5efd239af6bb2
vary
Accept-Encoding
x-cache
Miss from cloudfront
content-type
application/javascript; charset=UTF-8
access-control-allow-origin
*
cache-control
max-age=60
x-cache-hit
1
cross-origin-resource-policy
cross-origin
x-amz-cf-id
epRjVJ97n4DkP4esK_QNtDGfCfPoJ9oTlpMGSIZ56NKgHx1fa9gzuQ==
js
www.googletagmanager.com/gtag/
265 KB
92 KB
Script
General
Full URL
https://www.googletagmanager.com/gtag/js?id=G-E598F3QMCY
Requested by
Host: jancerny.dev
URL: https://jancerny.dev/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:82f::2008 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Google Tag Manager /
Resource Hash
6b0b92c9369fef2f2a1fc725f90d9e28552c5f54dc2877b92d9ee30b79108d59
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains
X-Xss-Protection 0

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://jancerny.dev/
Accept-Language
nl-NL,nl;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 14 May 2024 13:48:45 GMT
content-encoding
br
strict-transport-security
max-age=31536000; includeSubDomains
server
Google Tag Manager
vary
Accept-Encoding
content-type
application/javascript; charset=UTF-8
access-control-allow-origin
*
cache-control
private, max-age=900
access-control-allow-credentials
true
cross-origin-resource-policy
cross-origin
access-control-allow-headers
Cache-Control
content-length
94109
x-xss-protection
0
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
expires
Tue, 14 May 2024 13:48:45 GMT
fa-brands-400.woff2
cdn.jsdelivr.net/gh/FortAwesome/Font-Awesome@5.13.0/webfonts/
75 KB
75 KB
Font
General
Full URL
https://cdn.jsdelivr.net/gh/FortAwesome/Font-Awesome@5.13.0/webfonts/fa-brands-400.woff2
Requested by
Host: cdn.jsdelivr.net
URL: https://cdn.jsdelivr.net/gh/FortAwesome/Font-Awesome@5.13.0/css/all.min.css
Protocol
H3
Security
QUIC, , AES_256_GCM
Server
151.101.193.229 San Francisco, United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
cb3c124e6b9a35586f2eb1b20be4074dbca4d821bf52f7ad69e87981ef99a8fd
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://cdn.jsdelivr.net/gh/FortAwesome/Font-Awesome@5.13.0/css/all.min.css
Origin
https://jancerny.dev
Accept-Language
nl-NL,nl;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

strict-transport-security
max-age=31536000; includeSubDomains; preload
date
Tue, 14 May 2024 13:48:45 GMT
x-content-type-options
nosniff
age
2190396
x-jsd-version
5.13.0
x-cache
HIT, HIT
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400
content-length
76576
x-served-by
cache-fra-etou8220066-FRA, cache-mad2200104-MAD
x-jsd-version-type
version
etag
W/"12b20-xv1ELhD4bHdeKHui+b8MRoZA2GY"
vary
Accept-Encoding
content-type
font/woff2
access-control-allow-origin
*
access-control-expose-headers
*
cache-control
public, max-age=31536000, s-maxage=31536000, immutable
accept-ranges
bytes
timing-allow-origin
*
fa-solid-900.woff2
cdn.jsdelivr.net/gh/FortAwesome/Font-Awesome@5.13.0/webfonts/
78 KB
78 KB
Font
General
Full URL
https://cdn.jsdelivr.net/gh/FortAwesome/Font-Awesome@5.13.0/webfonts/fa-solid-900.woff2
Requested by
Host: cdn.jsdelivr.net
URL: https://cdn.jsdelivr.net/gh/FortAwesome/Font-Awesome@5.13.0/css/all.min.css
Protocol
H3
Security
QUIC, , AES_256_GCM
Server
151.101.193.229 San Francisco, United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
15809710190c5c2edbf07f0db683ade85fb801f8ff08a2dbb93eea9d0d4e6df2
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://cdn.jsdelivr.net/gh/FortAwesome/Font-Awesome@5.13.0/css/all.min.css
Origin
https://jancerny.dev
Accept-Language
nl-NL,nl;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

strict-transport-security
max-age=31536000; includeSubDomains; preload
date
Tue, 14 May 2024 13:48:45 GMT
x-content-type-options
nosniff
age
1866722
x-jsd-version
5.13.0
x-cache
HIT, HIT
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400
content-length
79464
x-served-by
cache-fra-etou8220139-FRA, cache-mad2200104-MAD
x-jsd-version-type
version
etag
W/"13668-etHuENd2L6NI4gclz15mmjakNgw"
vary
Accept-Encoding
content-type
font/woff2
access-control-allow-origin
*
access-control-expose-headers
*
cache-control
public, max-age=31536000, s-maxage=31536000, immutable
accept-ranges
bytes
timing-allow-origin
*
collect
region1.google-analytics.com/g/
0
253 B
Ping
General
Full URL
https://region1.google-analytics.com/g/collect?v=2&tid=G-E598F3QMCY&gtm=45je45d0v876945628za200&_p=1715694525269&gcd=13l3l3l2l1&npa=1&dma_cps=sypham&dma=1&cid=1858565449.1715694525&ul=nl-nl&sr=1600x1200&uaa=x86&uab=64&uafvl=Chromium%3B124.0.6367.201%7CGoogle%2520Chrome%3B124.0.6367.201%7CNot-A.Brand%3B99.0.0.0&uamb=0&uam=&uap=Win32&uapv=10.0.0&uaw=0&frm=0&pscdl=noapi&_s=1&sid=1715694525&sct=1&seg=0&dl=https%3A%2F%2Fjancerny.dev%2F&dt=Jan%20%C4%8Cern%C3%BD%20-%20Software%20and%20Web%20developer&en=page_view&_fv=1&_nsi=1&_ss=1&_ee=1&tfd=734
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=G-E598F3QMCY
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2001:4860:4802:34::36 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://jancerny.dev/
Accept-Language
nl-NL,nl;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

pragma
no-cache
date
Tue, 14 May 2024 13:48:45 GMT
server
Golfe2
content-type
text/plain
access-control-allow-origin
https://jancerny.dev
cache-control
no-cache, no-store, must-revalidate
access-control-allow-credentials
true
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
0
expires
Fri, 01 Jan 1990 00:00:00 GMT
favicon.ico
jancerny.dev/
3 KB
3 KB
Other
General
Full URL
https://jancerny.dev/favicon.ico?v8=qAJ44G5Bm7
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
188.114.97.3 Amsterdam, Netherlands, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
99293c09f783c7a67f56fefb79e88c6d133222504924fcdd43882269f1052f37
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://jancerny.dev/
Accept-Language
nl-NL,nl;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

x-fastly-request-id
6fb6eddb665369816e626dac55ec9bb2e2be4ca0
date
Tue, 14 May 2024 13:48:45 GMT
via
1.1 varnish
content-encoding
br
cf-cache-status
REVALIDATED
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
strict-transport-security
max-age=15552000; includeSubDomains; preload
expires
Tue, 14 May 2024 13:58:45 GMT
x-cache
HIT
x-proxy-cache
MISS
alt-svc
h3=":443"; ma=86400
x-served-by
cache-lga21949-LGA
last-modified
Mon, 21 Aug 2023 17:57:51 GMT
server
cloudflare
x-github-request-id
D96A:27D941:9F80D6:BA2101:662BF496
x-timer
S1714156695.718622,VS0,VE2
etag
W/"64e3a59f-a0e"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=eEL2Fd1eetMYHpvnur94ZNd8gROH6oM5f6y49mn46n1Tjff3iigO60u6wg6giBwCNA5pl19s8IK8Bw%2FQ1c1z3i7q%2BxWEFX01tRc4iXwD2A1Ni4jppd5MF63LFXCSgSQ%3D"}],"group":"cf-nel","max_age":604800}
content-type
image/vnd.microsoft.icon
access-control-allow-origin
*
cache-control
max-age=600
cf-ray
883b58ff2b959f5e-AMS
x-cache-hits
1
1f44b.png
cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/
Redirect Chain
  • https://twemoji.maxcdn.com/2/72x72/1f44b.png
  • https://cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/1f44b.png
0
0

1f4bb.png
cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/
Redirect Chain
  • https://twemoji.maxcdn.com/2/72x72/1f4bb.png
  • https://cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/1f4bb.png
0
0

1f3a8.png
cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/
Redirect Chain
  • https://twemoji.maxcdn.com/2/72x72/1f3a8.png
  • https://cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/1f3a8.png
0
0

2764.png
cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/
Redirect Chain
  • https://twemoji.maxcdn.com/2/72x72/2764.png
  • https://cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/2764.png
0
0

1f3cd.png
cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/
Redirect Chain
  • https://twemoji.maxcdn.com/2/72x72/1f3cd.png
  • https://cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/1f3cd.png
0
0

undraw_feeling_proud_qne1.13c6d2e5.svg
jancerny.dev/static/media/
12 KB
0
Image
General
Full URL
https://jancerny.dev/static/media/undraw_feeling_proud_qne1.13c6d2e5.svg
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
188.114.97.3 Amsterdam, Netherlands, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
f7d065a2a80607905abeb1247ba9df7b589f437f131654a7e7ad1619f32dd376

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://jancerny.dev/
Accept-Language
nl-NL,nl;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

x-fastly-request-id
c944c92b9581003a4d2e90392deb2f3d30b7821c
date
Tue, 14 May 2024 13:48:44 GMT
via
1.1 varnish
content-encoding
br
expires
Tue, 14 May 2024 13:58:44 GMT
cf-cache-status
REVALIDATED
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
x-proxy-cache
MISS
x-cache
MISS
alt-svc
h3=":443"; ma=86400
x-served-by
cache-lga21982-LGA
last-modified
Mon, 21 Aug 2023 17:57:51 GMT
server
cloudflare
x-github-request-id
ABC6:36C5:5DB555:7F16FB:66107382
x-timer
S1712354179.907901,VS0,VE18
etag
W/"64e3a59f-3098"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=hrksB8Iq5pMDIsHMKbiVUxJSegTPXwafcq8q1XMhhmbEvVWvSLX4zcZfW%2BW5My3Noz1yUAHHKTI7mi4g6Ix6%2F%2Begwe7H%2FyXYC%2Fxf8%2F%2FczjG1CPyxigLtiyVANSMycQI%3D"}],"group":"cf-nel","max_age":604800}
content-type
image/svg+xml
access-control-allow-origin
*
cache-control
max-age=600
x-origin-cache
HIT
cf-ray
883b58fc1e4b9f5e-AMS
x-cache-hits
0
undraw_hacker_mindset_gjwq.1feaa5be.svg
jancerny.dev/static/media/
6 KB
0
Image
General
Full URL
https://jancerny.dev/static/media/undraw_hacker_mindset_gjwq.1feaa5be.svg
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
188.114.97.3 Amsterdam, Netherlands, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
c3116041ef607f2facff8f2aecd9feadd22fb17a9d80ccc9857858a68ac755ff

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://jancerny.dev/
Accept-Language
nl-NL,nl;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

x-fastly-request-id
0bc359f583f4a198efa484c53c94af5224a5e4a6
date
Tue, 14 May 2024 13:48:44 GMT
via
1.1 varnish
content-encoding
br
expires
Tue, 14 May 2024 13:58:44 GMT
cf-cache-status
REVALIDATED
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
x-proxy-cache
MISS
x-cache
MISS
alt-svc
h3=":443"; ma=86400
x-served-by
cache-lga21973-LGA
last-modified
Mon, 21 Aug 2023 17:57:51 GMT
server
cloudflare
x-github-request-id
9D58:9EE62:87B4E46:9B2CE76:65F47D8C
x-timer
S1710521741.799459,VS0,VE16
etag
W/"64e3a59f-1973"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=egqp%2BtwKD2Ez9L%2Fc0BIvf5%2BijQmcSqNmwqfwRXw6cqvRrm1ccCa3txJSgvuW34Osn%2BWCQsJu5bkYQRUbNTHRHNoyUoG1anYUjq7pZKt6751lJprLjk%2F13LErBdK3Nd0%3D"}],"group":"cf-nel","max_age":604800}
content-type
image/svg+xml
access-control-allow-origin
*
cache-control
max-age=600
x-origin-cache
HIT
cf-ray
883b58fc1e4c9f5e-AMS
x-cache-hits
0
26a1.png
cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/
Redirect Chain
  • https://twemoji.maxcdn.com/2/72x72/26a1.png
  • https://cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/26a1.png
0
0

1f680.png
cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/
Redirect Chain
  • https://twemoji.maxcdn.com/2/72x72/1f680.png
  • https://cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/1f680.png
0
0

undraw_certificate_343v.36c1403d.svg
jancerny.dev/static/media/
8 KB
0
Image
General
Full URL
https://jancerny.dev/static/media/undraw_certificate_343v.36c1403d.svg
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
188.114.97.3 Amsterdam, Netherlands, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
ecf7862b6418367594bd5d5e696ee905840269f6490e0713fee7fd36f9fff38e

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://jancerny.dev/
Accept-Language
nl-NL,nl;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

x-fastly-request-id
6a05a3381b09d011d9666c1ed47428620285bb54
date
Tue, 14 May 2024 13:48:44 GMT
via
1.1 varnish
content-encoding
br
expires
Tue, 14 May 2024 13:58:44 GMT
cf-cache-status
REVALIDATED
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
x-proxy-cache
MISS
x-cache
MISS
alt-svc
h3=":443"; ma=86400
x-served-by
cache-lga21924-LGA
last-modified
Mon, 21 Aug 2023 17:57:51 GMT
server
cloudflare
x-github-request-id
9042:3EB161:8342B15:96B9FCC:65F47D8C
x-timer
S1710521741.893831,VS0,VE13
etag
W/"64e3a59f-207d"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=Hd154dOeYJkreU11qBzi9jz7Biet2Sude6SpbS55DxPcBWy1HwSZJNHHMrCtWNSZ8tg%2BExLJWgjZcC0Ac5XVdabtp1XP5ewFpM%2BgEqw7ot%2FVsjN7%2FCCV13IJLEyeN%2F8%3D"}],"group":"cf-nel","max_age":604800}
content-type
image/svg+xml
access-control-allow-origin
*
cache-control
max-age=600
x-origin-cache
HIT
cf-ray
883b58fc1e4d9f5e-AMS
x-cache-hits
0
1f3c6.png
cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/
Redirect Chain
  • https://twemoji.maxcdn.com/2/72x72/1f3c6.png
  • https://cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/1f3c6.png
0
0

ccna-logo.70a88869.jpg
jancerny.dev/static/media/
39 KB
0
Image
General
Full URL
https://jancerny.dev/static/media/ccna-logo.70a88869.jpg
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
188.114.97.3 Amsterdam, Netherlands, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
19bdaaafe7e3cec295b5ca3dda811efe5e6d74b4847a9d0d8fee300f6e6e6c13

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://jancerny.dev/
Accept-Language
nl-NL,nl;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

x-fastly-request-id
ecf8ee1ac5a705cfcb72459d9d6f2a4784a219ca
date
Tue, 14 May 2024 13:48:45 GMT
via
1.1 varnish
expires
Tue, 14 May 2024 13:58:44 GMT
cf-cache-status
REVALIDATED
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
x-proxy-cache
MISS
x-cache
MISS
alt-svc
h3=":443"; ma=86400
content-length
39562
x-served-by
cache-lga21943-LGA
last-modified
Mon, 21 Aug 2023 17:57:51 GMT
server
cloudflare
x-github-request-id
BF66:16C5:3E34A54:41063BC:662D48B8
x-timer
S1714243768.326965,VS0,VE18
etag
"64e3a59f-9a8a"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=kUmgfBuSlviNDKjOa9wtRUJ0WTDhuVCAovf%2FIDNFahxCZ%2Bcl7dBrllVqygRiW3mjOhagRMmsirHWEAoBAjMZAkNprkJcR3noOBH1xdYYauUTsEVqonWL7zHcQhDI6xQ%3D"}],"group":"cf-nel","max_age":604800}
content-type
image/jpeg
access-control-allow-origin
*
cache-control
max-age=600
accept-ranges
bytes
cf-ray
883b58fc2e609f5e-AMS
x-cache-hits
0
autocad-logo.59d0cf67.png
jancerny.dev/static/media/
22 KB
0
Image
General
Full URL
https://jancerny.dev/static/media/autocad-logo.59d0cf67.png
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
188.114.97.3 Amsterdam, Netherlands, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
04c0fb37b7958ebfe43a277246a4728438f0053e0a582a6c3d7b7f12ee0b6ad9

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://jancerny.dev/
Accept-Language
nl-NL,nl;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

x-fastly-request-id
10a0eda54bd1070a0a907eed843189adab8f3ae5
date
Tue, 14 May 2024 13:48:44 GMT
via
1.1 varnish
expires
Tue, 14 May 2024 13:58:44 GMT
cf-cache-status
REVALIDATED
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
x-proxy-cache
MISS
x-cache
MISS
alt-svc
h3=":443"; ma=86400
content-length
22865
x-served-by
cache-lga21949-LGA
last-modified
Mon, 21 Aug 2023 17:57:51 GMT
server
cloudflare
x-github-request-id
3878:1C8AFF:47A1BF4:4BFB334:662D48B8
x-timer
S1714243771.231617,VS0,VE21
etag
"64e3a59f-5951"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=CQR10Qbw4BXWXqq80rt4X6AIlhUaTCLwhSRne%2BkeIAb04t%2FmrVVkI6WXQi0xfZTdM0YQE78rfjpQH05kYpwbworYjo3jEL3QO5LsRBeJXsKPQCu54c2ljmy%2FcMGmk8I%3D"}],"group":"cf-nel","max_age":604800}
content-type
image/png
access-control-allow-origin
*
cache-control
max-age=600
accept-ranges
bytes
x-origin-cache
HIT
cf-ray
883b58fc2e629f5e-AMS
x-cache-hits
0
1f4a1.png
cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/
Redirect Chain
  • https://twemoji.maxcdn.com/2/72x72/1f4a1.png
  • https://cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/1f4a1.png
0
0

undraw_message_sent_1030.323f49ac.svg
jancerny.dev/static/media/
12 KB
0
Image
General
Full URL
https://jancerny.dev/static/media/undraw_message_sent_1030.323f49ac.svg
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
188.114.97.3 Amsterdam, Netherlands, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
2306a3b78b6dc23d2ecdb6412e3b5d24c921d85fa98a7f2b40af7228a513c1d8

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://jancerny.dev/
Accept-Language
nl-NL,nl;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

x-fastly-request-id
2bb14ff4fd7cbd0f8076e991fc6ad1deb5ef9a65
date
Tue, 14 May 2024 13:48:44 GMT
via
1.1 varnish
content-encoding
br
expires
Tue, 14 May 2024 13:58:44 GMT
cf-cache-status
REVALIDATED
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
x-proxy-cache
MISS
x-cache
MISS
alt-svc
h3=":443"; ma=86400
x-served-by
cache-lga21964-LGA
last-modified
Mon, 21 Aug 2023 17:57:51 GMT
server
cloudflare
x-github-request-id
101C:11864:49CF6EE:4E2C059:662D48BB
x-timer
S1714243772.549210,VS0,VE14
etag
W/"64e3a59f-314b"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=xT7ExLAFFJxGfqFDkdET7ZMopnR22cKy7OdYyVmUCnh%2FJ%2F9D%2BjrEnc1ArUc51AXC%2F%2F4Pu5Y32PTZnQlGjpDmE994pOs7dIboAeNfJJiSzSwxTdR69itA4UheA%2BydefU%3D"}],"group":"cf-nel","max_age":604800}
content-type
image/svg+xml
access-control-allow-origin
*
cache-control
max-age=600
x-origin-cache
HIT
cf-ray
883b58fc2e659f5e-AMS
x-cache-hits
0
graphql
api.github.com/
3 KB
2 KB
Fetch
General
Full URL
https://api.github.com/graphql
Requested by
Host: jancerny.dev
URL: https://jancerny.dev/static/js/2.5383ec77.chunk.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
140.82.121.5 Frankfurt am Main, Germany, ASN36459 (GITHUB, US),
Reverse DNS
lb-140-82-121-5-fra.github.com
Software
GitHub.com /
Resource Hash
3db5b46bf15d0e2cf4320992d9badb691d984e1588f0ce834ad98fa21301df21
Security Headers
Name Value
Content-Security-Policy default-src 'none'
Strict-Transport-Security max-age=31536000; includeSubdomains; preload
X-Content-Type-Options nosniff
X-Frame-Options deny
X-Xss-Protection 0

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Accept-Language
nl-NL,nl;q=0.9;q=0.9
sec-ch-ua-mobile
?0
authorization
Bearer 644b4976626ea46ff01b7c68580e4b65a2ab2b42
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
content-type
application/json
accept
*/*
Referer
https://jancerny.dev/
sec-ch-ua-platform
"Win32"

Response headers

x-oauth-scopes
date
Tue, 14 May 2024 13:48:45 GMT
x-ratelimit-used
1
x-content-type-options
nosniff
strict-transport-security
max-age=31536000; includeSubdomains; preload
content-encoding
gzip
content-security-policy
default-src 'none'
x-github-media-type
github.v4; format=json
x-accepted-oauth-scopes
repo
x-xss-protection
0
referrer-policy
origin-when-cross-origin, strict-origin-when-cross-origin
server
GitHub.com
x-github-request-id
9F48:312E80:46A7B0AD:46FD0A1E:66436BBD
x-ratelimit-remaining
4999
x-frame-options
deny
content-type
application/json; charset=utf-8
x-ratelimit-resource
graphql
access-control-allow-origin
*
access-control-expose-headers
ETag, Link, Location, Retry-After, X-GitHub-OTP, X-RateLimit-Limit, X-RateLimit-Remaining, X-RateLimit-Used, X-RateLimit-Resource, X-RateLimit-Reset, X-OAuth-Scopes, X-Accepted-OAuth-Scopes, X-Poll-Interval, X-GitHub-Media-Type, X-GitHub-SSO, X-GitHub-Request-Id, Deprecation, Sunset
vary
Accept-Encoding, Accept, X-Requested-With
x-ratelimit-reset
1715698125
x-ratelimit-limit
5000
graphql
api.github.com/ Frame
0
0
Preflight
General
Full URL
https://api.github.com/graphql
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
140.82.121.5 Frankfurt am Main, Germany, ASN36459 (GITHUB, US),
Reverse DNS
lb-140-82-121-5-fra.github.com
Software
GitHub.com /
Resource Hash
Security Headers
Name Value
Content-Security-Policy default-src 'none'; base-uri 'self'; child-src github.com/assets-cdn/worker/ gist.github.com/assets-cdn/worker/; connect-src 'self' uploads.github.com www.githubstatus.com collector.github.com raw.githubusercontent.com api.github.com github-cloud.s3.amazonaws.com github-production-repository-file-5c1aeb.s3.amazonaws.com github-production-upload-manifest-file-7fdce7.s3.amazonaws.com github-production-user-asset-6210df.s3.amazonaws.com api.githubcopilot.com objects-origin.githubusercontent.com copilot-proxy.githubusercontent.com/v1/engines/copilot-codex/completions; font-src github.githubassets.com; form-action 'self' github.com gist.github.com copilot-workspace.githubnext.com objects-origin.githubusercontent.com; frame-ancestors 'none'; frame-src viewscreen.githubusercontent.com notebooks.githubusercontent.com; img-src 'self' data: github.githubassets.com media.githubusercontent.com camo.githubusercontent.com identicons.github.com avatars.githubusercontent.com github-cloud.s3.amazonaws.com objects.githubusercontent.com secured-user-images.githubusercontent.com/ user-images.githubusercontent.com/ private-user-images.githubusercontent.com opengraph.githubassets.com github-production-user-asset-6210df.s3.amazonaws.com customer-stories-feed.github.com spotlights-feed.github.com objects-origin.githubusercontent.com; manifest-src 'self'; media-src github.com user-images.githubusercontent.com/ secured-user-images.githubusercontent.com/ private-user-images.githubusercontent.com github-production-user-asset-6210df.s3.amazonaws.com gist.github.com; script-src github.githubassets.com; style-src 'unsafe-inline' github.githubassets.com; upgrade-insecure-requests; worker-src github.com/assets-cdn/worker/ gist.github.com/assets-cdn/worker/
Strict-Transport-Security max-age=31536000; includeSubdomains; preload
X-Content-Type-Options nosniff
X-Frame-Options deny
X-Xss-Protection 0

Request headers

Accept
*/*
Access-Control-Request-Headers
authorization,content-type
Access-Control-Request-Method
POST
Origin
https://jancerny.dev
Sec-Fetch-Mode
cors
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36

Response headers

access-control-allow-headers
Authorization, Content-Type, If-Match, If-Modified-Since, If-None-Match, If-Unmodified-Since, Accept-Encoding, X-GitHub-OTP, X-Requested-With, User-Agent, GraphQL-Features, X-Github-Next-Global-ID, X-GitHub-Api-Version
access-control-allow-methods
GET, POST, PATCH, PUT, DELETE
access-control-allow-origin
*
access-control-expose-headers
ETag, Link, Location, Retry-After, X-GitHub-OTP, X-RateLimit-Limit, X-RateLimit-Remaining, X-RateLimit-Used, X-RateLimit-Resource, X-RateLimit-Reset, X-OAuth-Scopes, X-Accepted-OAuth-Scopes, X-Poll-Interval, X-GitHub-Media-Type, X-GitHub-SSO, X-GitHub-Request-Id, Deprecation, Sunset
access-control-max-age
86400
content-security-policy
default-src 'none'; base-uri 'self'; child-src github.com/assets-cdn/worker/ gist.github.com/assets-cdn/worker/; connect-src 'self' uploads.github.com www.githubstatus.com collector.github.com raw.githubusercontent.com api.github.com github-cloud.s3.amazonaws.com github-production-repository-file-5c1aeb.s3.amazonaws.com github-production-upload-manifest-file-7fdce7.s3.amazonaws.com github-production-user-asset-6210df.s3.amazonaws.com api.githubcopilot.com objects-origin.githubusercontent.com copilot-proxy.githubusercontent.com/v1/engines/copilot-codex/completions; font-src github.githubassets.com; form-action 'self' github.com gist.github.com copilot-workspace.githubnext.com objects-origin.githubusercontent.com; frame-ancestors 'none'; frame-src viewscreen.githubusercontent.com notebooks.githubusercontent.com; img-src 'self' data: github.githubassets.com media.githubusercontent.com camo.githubusercontent.com identicons.github.com avatars.githubusercontent.com github-cloud.s3.amazonaws.com objects.githubusercontent.com secured-user-images.githubusercontent.com/ user-images.githubusercontent.com/ private-user-images.githubusercontent.com opengraph.githubassets.com github-production-user-asset-6210df.s3.amazonaws.com customer-stories-feed.github.com spotlights-feed.github.com objects-origin.githubusercontent.com; manifest-src 'self'; media-src github.com user-images.githubusercontent.com/ secured-user-images.githubusercontent.com/ private-user-images.githubusercontent.com github-production-user-asset-6210df.s3.amazonaws.com gist.github.com; script-src github.githubassets.com; style-src 'unsafe-inline' github.githubassets.com; upgrade-insecure-requests; worker-src github.com/assets-cdn/worker/ gist.github.com/assets-cdn/worker/
date
Tue, 14 May 2024 13:48:45 GMT
referrer-policy
origin-when-cross-origin, strict-origin-when-cross-origin
server
GitHub.com
strict-transport-security
max-age=31536000; includeSubdomains; preload
vary
Accept-Encoding, Accept, X-Requested-With
x-content-type-options
nosniff
x-frame-options
deny
x-github-request-id
9F48:312E80:46A7AEE6:46FD086E:66436BBD
x-xss-protection
0
rum
cloudflareinsights.com/cdn-cgi/
0
37 B
XHR
General
Full URL
https://cloudflareinsights.com/cdn-cgi/rum
Requested by
Host: static.cloudflareinsights.com
URL: https://static.cloudflareinsights.com/beacon.min.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:4f49 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Frame-Options DENY

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
sec-ch-ua-platform
"Win32"
Referer
https://jancerny.dev/
Accept-Language
nl-NL,nl;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
content-type
application/json

Response headers

date
Tue, 14 May 2024 13:48:45 GMT
x-content-type-options
nosniff
server
cloudflare
vary
Origin
access-control-max-age
86400
access-control-allow-methods
POST,OPTIONS
access-control-allow-origin
https://jancerny.dev
x-frame-options
DENY
access-control-allow-credentials
true
cf-ray
883b59007a6c0a47-AMS
rum
cloudflareinsights.com/cdn-cgi/ Frame
0
0
Preflight
General
Full URL
https://cloudflareinsights.com/cdn-cgi/rum
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:4f49 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Frame-Options DENY

Request headers

Accept
*/*
Access-Control-Request-Headers
content-type
Access-Control-Request-Method
POST
Origin
https://jancerny.dev
Sec-Fetch-Mode
cors
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36

Response headers

access-control-allow-credentials
true
access-control-allow-headers
Content-Type
access-control-allow-methods
POST,OPTIONS
access-control-allow-origin
https://jancerny.dev
access-control-max-age
86400
cf-ray
883b59004a2e0a47-AMS
content-encoding
gzip
content-type
text/plain
date
Tue, 14 May 2024 13:48:45 GMT
server
cloudflare
vary
Origin
x-content-type-options
nosniff
x-frame-options
DENY
4.01c87591.chunk.css
jancerny.dev/static/css/
847 B
0
Stylesheet
General
Full URL
https://jancerny.dev/static/css/4.01c87591.chunk.css
Requested by
Host: jancerny.dev
URL: https://jancerny.dev/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
188.114.97.3 Amsterdam, Netherlands, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
497015a4483bdc49c988bec3a0fe233e574944e13dc288c96312871f7221c4c7

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://jancerny.dev/
Accept-Language
nl-NL,nl;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

x-fastly-request-id
f053a12b07447e44fa47d6fcec6403602fca3452
date
Tue, 14 May 2024 13:48:44 GMT
via
1.1 varnish
content-encoding
br
cf-cache-status
REVALIDATED
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
expires
Tue, 14 May 2024 13:58:44 GMT
cf-polished
origSize=896
x-cache
MISS
x-cache-hits
0
alt-svc
h3=":443"; ma=86400
x-served-by
cache-lga21965-LGA
cf-bgj
minify
last-modified
Mon, 21 Aug 2023 17:57:51 GMT
x-github-request-id
2B48:737A:FF6D28:1544087:6600B9E2
x-timer
S1711323619.071353,VS0,VE49
server
cloudflare
etag
W/"64e3a59f-380"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=L%2B46%2BoZRW%2Fh6%2BqclsFI9NNBJio44wjaLnZumARxfaOoXgjpBiiEVMlOpzh1Tj8pYDKjfmImT1UXiwB7M54u8%2BsBApebAA8AAyC4fTijufMHhwko5q82bUCcvUduYmq0%3D"}],"group":"cf-nel","max_age":604800}
content-type
text/css; charset=utf-8
access-control-allow-origin
*
cache-control
max-age=600
cf-ray
883b58fc1e439f5e-AMS
x-proxy-cache
MISS

Failed requests

These URLs were requested, but there was no response received. You will also see them in the list above.

Domain
cdn.jsdelivr.net
URL
https://cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/1f44b.png
Domain
cdn.jsdelivr.net
URL
https://cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/1f4bb.png
Domain
cdn.jsdelivr.net
URL
https://cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/1f3a8.png
Domain
cdn.jsdelivr.net
URL
https://cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/2764.png
Domain
cdn.jsdelivr.net
URL
https://cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/1f3cd.png
Domain
cdn.jsdelivr.net
URL
https://cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/26a1.png
Domain
cdn.jsdelivr.net
URL
https://cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/1f680.png
Domain
cdn.jsdelivr.net
URL
https://cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/1f3c6.png
Domain
cdn.jsdelivr.net
URL
https://cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/1f4a1.png
Domain
cdn.jsdelivr.net
URL
https://cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/1f44b.png
Domain
cdn.jsdelivr.net
URL
https://cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/1f4bb.png
Domain
cdn.jsdelivr.net
URL
https://cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/1f3a8.png
Domain
cdn.jsdelivr.net
URL
https://cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/2764.png
Domain
cdn.jsdelivr.net
URL
https://cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/1f3cd.png
Domain
cdn.jsdelivr.net
URL
https://cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/26a1.png
Domain
cdn.jsdelivr.net
URL
https://cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/1f680.png
Domain
cdn.jsdelivr.net
URL
https://cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/1f3c6.png
Domain
cdn.jsdelivr.net
URL
https://cdn.jsdelivr.net/npm/twemoji@11.3.0/2/72x72/1f4a1.png

Verdicts & Comments Add Verdict or Comment

17 JavaScript Global Variables

These are the non-standard "global" variables defined on the window object. These can be helpful in identifying possible client-side frameworks and code.

object| 0 object| __cfQR function| gtag object| dataLayer object| google_tag_manager object| google_tag_data object| hjSiteSettings function| hj function| hjBootstrap object| hjLazyModules object| _hjSettings object| webpackJsonpjancerny.dev function| onYouTubeIframeAPIReady object| gaGlobal string| _scriptPath boolean| __cfRLUnblockHandlers object| __cfBeacon

4 Cookies

Domain/Path Name / Value
.jancerny.dev/ Name: _hjid
Value: 074ba20c-c748-46e7-9217-bdf83b3bb1f5
.jancerny.dev/ Name: _hjFirstSeen
Value: 1
.jancerny.dev/ Name: _ga_E598F3QMCY
Value: GS1.1.1715694525.1.0.1715694525.0.0.0
.jancerny.dev/ Name: _ga
Value: GA1.1.1858565449.1715694525

Security Headers

This page lists any security headers set by the main page. If you want to understand what these mean and how to use them, head on over to this page

Header Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload

Indicators

This is a term in the security industry to describe indicators such as IPs, Domains, Hashes, etc. This does not imply that any of these indicate malicious activity.

api.github.com
cdn.jsdelivr.net
cloudflareinsights.com
jancerny.dev
region1.google-analytics.com
script.hotjar.com
static.cloudflareinsights.com
static.hotjar.com
vars.hotjar.com
www.googletagmanager.com
cdn.jsdelivr.net
140.82.121.5
151.101.193.229
18.173.154.70
188.114.97.3
2001:4860:4802:34::36
2606:4700::6810:4f49
2606:4700::6810:5049
2a00:1450:4001:82f::2008
2a04:4e42:400::485
54.230.228.47
54.230.228.82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